多选题What are the advantages of variable extent size support for large ASM files?（）AIt improves resync operations when the disk comes online after being taken offline for maintenance purposes.BIt improves performance in the extended cluster configuration by

题目
多选题
What are the advantages of variable extent size support for large ASM files?（）
A

It improves resync operations when the disk comes online after being taken offline for maintenance purposes.

B

It improves performance in the extended cluster configuration by reading from a local copy of an extent.

C

Fewer extent pointers are needed to describe the file and less memory is required to manage the extent maps in the shared pool.

D

This feature enables faster file opens because of the reduction in the amount of memory that is required to store file extents.

相似考题

1.What is the advantage of setting the ASM－preferred mirror read for the Stretch cluster configuration?()A. It improves resync operations.B. This feature enables much faster file opens.C. It improves performance as fewer extent pointers are needed in the shared pool.D.It improves performance by reading from a copy of an extent closest to the node.

2.Which two tasks can be performed when WLST is in OFFLINE mode?（）A、modifying the configuration of an online domainB、modifying the configuration of an offline domainC、viewing runtime performance data in ONLINE modeD、viewing runtime performance data in OFFLINE modeE、creating and extending domains

3.When analyzing disk I/O performance， which of the following metrics and/or statistics should be included in the study？（）A、 Disk size， stock availability， VHDCIB、 Disk size， distance， temperature， and compatibilityC、 Disk fragmentation， MTBF， and maintenanceD、 Disk configuration， throughput， transactions， queues， and latencies

4.Which two statements are true about variable extent size support for large ASM files?()A. The metadata used to track extents in SGA is reduced.B. Rebalance operations are completed faster than with a fixed extent sizeC. An ASM Instance automatically allocates an appropriate extent size.D. Resync operations are completed faster when a disk comes online after being taken offline.E. Performance improves in a stretch cluster configuration by reading from a local copy of an extent.

更多“多选题What are the advantages of variable extent size support for large ASM files?（）AIt improves resync operations when the disk comes online after being taken offline for maintenance purposes.BIt improves performance in the extended cluster configuration by”相关问题

  • 第1题：

    You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.  What configuration would you effect to achieve your objective？（）  

    • A、 Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
    • B、 Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
    • C、 Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
    • D、 Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.

    正确答案:A,D

  • 第2题：

    You are managing an Oracle 11g database with ASM storage, for which the COMPATIBLE initialization parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1. Which two statements are true in this scenario for the features enabled for ASM? （）

    • A、The ASM-preferred mirror read feature is enabled.
    • B、The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.
    • C、The ASM disk is dropped immediately from a disk group when it becomes unavailable.
    • D、The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.

    正确答案:A,B

  • 第3题：

    You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours：   ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H；   Which statement is true in this scenario？（）

    • A、 It starts the ASM fast mirror resync.
    • B、 All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.
    • C、 It drops all disk paths from the dga disk group.
    • D、 All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.

    正确答案:D

  • 第4题：

    What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration?（）

    • A、It improves resync operations.
    • B、This feature enables much faster file opens.
    • C、It improves performance as fewer extent pointers are needed in the shared pool.
    • D、It improves performance by reading from a copy of an extent closest to the node.

    正确答案:D

  • 第5题：

    You are managing an Oracle Database 11g database with ASM storage. The ASM disk group has the COMPATIBLE.ASM attribute set to 11.1.  Which statements are true regarding extent management and allocation units in the ASM disk group？（）

    • A、 The au_size disk group attribute determines the size of allocation units in the disk group. 
    • B、 The allocation unit size may vary but the extent size is fixed.
    • C、 The allocation unit size and extent size are fixed for all the disks in a disk group and cannot be changed.
    • D、 Extent management is completely automated.

    正确答案:A,D

  • 第6题：

    You are the administrator of ExamSheet.net's network.   Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use these storage modules to transfer graphics files between your location and a printing company. The printing company uses Windows 98. You insert a new 100 MB disk device into your computer and format the new disk device as NTFS with the default options. You then place large graphics files on the disk device and deliver it to the printing company. The printing company reports that they are unable to access the files.  You want the printing company to be able to access the graphics files on the new disk device. What should you do?（）

    • A、Format the new disk device as NTFS with a 4 KB cluster size.
    • B、Format the new disk device as FAT32 with a 4 KB cluster size.
    • C、Format the new disk device as FAT32 with a 1 KB cluster size.
    • D、Format the new disk device as FAT16 with a 4 KB cluster size.

    正确答案:D

  • 第7题：

    多选题
    The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? （）(Choose two.)
    A

    The databases configured to use the ASM instance are mounted

    B

    The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter

    C

    ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started

    D

    ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters


    正确答案： C,A
    解析： 暂无解析

  • 第8题：

    单选题
    What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration？（）
    A

     It improves resync operations.

    B

     This feature enables much faster file opens.

    C

     It improves performance as fewer extent pointers are needed in the shared pool.

    D

     It improves performance by reading from a copy of an extent closest to the node.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    Which two statements are true about variable extent size support for large ASM files?（）
    A

    The metadata used to track extents in SGA is reduced.

    B

    Rebalance operations are completed faster than with a fixed extent size

    C

    An ASM Instance automatically allocates an appropriate extent size.

    D

    Resync operations are completed faster when a disk comes online after being taken offline.

    E

    Performance improves in a stretch cluster configuration by reading from a local copy of an extent.


    正确答案： E,B
    解析： 暂无解析

  • 第10题：

    单选题
    You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours：   ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H；   Which statement is true in this scenario？（）
    A

     It starts the ASM fast mirror resync.

    B

     All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.

    C

     It drops all disk paths from the dga disk group.

    D

     All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    What are the advantages of variable extent size support for large ASM files?（）
    A

    It improves resync operations when the disk comes online after being taken offline for maintenance purposes.

    B

    It improves performance in the extended cluster configuration by reading from a local copy of an extent.

    C

    Fewer extent pointers are needed to describe the file and less memory is required to manage the extent maps in the shared pool.

    D

    This feature enables faster file opens because of the reduction in the amount of memory that is required to store file extents.


    正确答案： A,D
    解析： 暂无解析

  • 第12题：

    单选题
    What is the advantage of setting the ASM-preferred mirror read for the Stretch cluster configuration?（）
    A

    It improves resync operations.

    B

    This feature enables much faster file opens.

    C

    It improves performance as fewer extent pointers are needed in the shared pool.

    D

    It improves performance by reading from a copy of an extent closest to the node.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which of the following is a benefit of ASM fast disk resync?（）

    • A、Failed disks are taken offline immediately but are not dropped.
    • B、Disk data is never lost.
    • C、By default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk.
    • D、The failed disk is automatically reformatted and then resynchronized to speed up the recovery process.
    • E、Hot spare disks are automatically configured and added to the disk group.

    正确答案:A

  • 第14题：

    What are the advantages of variable extent size support for large ASM files?（）

    • A、It improves resync operations when the disk comes online after being taken offline for maintenance purposes. 
    • B、It improves performance in the extended cluster configuration by reading from a local copy of an extent. 
    • C、Fewer extent pointers are needed to describe the file and less memory is required to manage the extent maps in the shared pool.
    • D、This feature enables faster file opens because of the reduction in the amount of memory that is required to store file extents.

    正确答案:C,D

  • 第15题：

    The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? （）(Choose two.)

    • A、The databases configured to use the ASM instance are mounted
    • B、The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter
    • C、ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started
    • D、ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

    正确答案:B,C

  • 第16题：

    The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation?（）

    • A、The databases configured to use the ASM instance are mounted
    • B、The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter
    • C、ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started
    • D、ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

    正确答案:B,C

  • 第17题：

    You are the administrator of Company’s network.  Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use these storage modules to transfer graphics files between your location and a printing company. The printing company uses Windows 98. You insert a new 1 GB disk device into your computer and format the new disk device as NTFS with the default options. You then place large graphics files on the disk device and deliver it to the printing company. The printing company reports that they are unable to access the files.  You want the printing company to be able to access the graphics files on the new disk device.   What should you do? （）

    • A、Format the new disk device as FAT16 with a 128 KB cluster size.
    • B、Format the new disk device as FAT32 with a 4 KB cluster size.
    • C、Format the new disk device as NTFS with a 4 KB cluster size.
    • D、Format the new disk device as NTFS with a 8 KB cluster size.

    正确答案:B

  • 第18题：

    多选题
    You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.  What configuration would you effect to achieve your objective？（）
    A

    Set the ASM compatibility attribute for the ASM disk group to 11.1.0.

    B

    Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.

    C

    Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.

    D

    Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.


    正确答案： A,D
    解析： 暂无解析

  • 第19题：

    多选题
    You are managing an Oracle Database 11g database with ASM storage. The ASM disk group has the COMPATIBLE.ASM attribute set to 11.1.  Which statements are true regarding extent management and allocation units in the ASM disk group？（）
    A

    The au_size disk group attribute determines the size of allocation units in the disk group.

    B

    The allocation unit size may vary but the extent size is fixed.

    C

    The allocation unit size and extent size are fixed for all the disks in a disk group and cannot be changed.

    D

    Extent management is completely automated.


    正确答案： C,B
    解析： 暂无解析

  • 第20题：

    单选题
    Which of the following is a benefit of ASM fast disk resync?（）
    A

    Failed disks are taken offline immediately but are not dropped.

    B

    Disk data is never lost.

    C

    By default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk.

    D

    The failed disk is automatically reformatted and then resynchronized to speed up the recovery process.

    E

    Hot spare disks are automatically configured and added to the disk group.


    正确答案： E
    解析： 暂无解析

  • 第21题：

    多选题
    The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management （ASM） instance.   SQL> STARTUP；   Which two activities are performed during a successful start up operation？（）
    A

    The databases configured to use the ASM instance are mounted

    B

    The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter

    C

    ASM starts the Oracle Cluster Synchronization Services （CSS） daemon if it is not started

    D

    ASM discovers and examines the contents of all files that are in the paths specified in the  ASM_DISKGROUPS initialization parameters


    正确答案： C,D
    解析： 暂无解析

  • 第22题：

    多选题
    Which two tasks can be performed when WLST is in OFFLINE mode?（）
    A

    modifying the configuration of an online domain

    B

    modifying the configuration of an offline domain

    C

    viewing runtime performance data in ONLINE mode

    D

    viewing runtime performance data in OFFLINE mode

    E

    creating and extending domains


    正确答案： D,E
    解析： 暂无解析

  • 第23题：

    多选题
    You are managing an Oracle 11g database with ASM storage, for which the COMPATIBLE initialization parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1. Which two statements are true in this scenario for the features enabled for ASM? （）
    A

    The ASM-preferred mirror read feature is enabled.

    B

    The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.

    C

    The ASM disk is dropped immediately from a disk group when it becomes unavailable.

    D

    The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.


    正确答案： D,B
    解析： 暂无解析

  • 第24题：

    单选题
    When analyzing disk I/O performance， which of the following metrics and/or statistics should be included in the study？（）
    A

     Disk size， stock availability， VHDCI

    B

     Disk size， distance， temperature， and compatibility

    C

     Disk fragmentation， MTBF， and maintenance

    D

     Disk configuration， throughput， transactions， queues， and latencies


    正确答案： D
    解析： 暂无解析

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